QUIN'CUNX, noun [Latin composed of quinque, five, and uncia, ounce.] In gardening, the quincunx order is a plantation of trees disposed in a square, consisting of five trees, one at each corner and a fifth in the middle, thus : .: ; which order repeated indefinitely, forms a regular grove or wood, which viewed by an angle of the square or parallelogram, presents equal or parallel alleys.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI